Portable expanding file case



FIG. 1 is a front perspective view of the portable expanding file case showing my new design;

FIG. 2 is a rear perspective view of the portable expanding file case;

FIG. 3 is a side elevational view of the portable expanding file case; and

FIG. 4 is an end view of the portable expanding file case.

The design of the portable expanding file case is characterized by a handle and closing catch and concertina side walls capable of expansion and contraction. A metal reinforcing strip is provided on the closing flap of the case. 

The ornamental design for a portable expanding file case, as shown and described. 